Finding the Fourth Proportional to 770,162.67, 1,062,470.89 and 498,319.18
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Solution
The fourth proportional to 770,162.67, 1,062,470.89 and 498,319.18 is: 687,451.68
Step by Step Solution
- Step 1: Write the proportion equation
770,162.67 : 1,062,470.89 = 498,319.18 : x - Step 2: Convert to fraction form
770,162.67/1,062,470.89 = 498,319.18/x - Step 3: Cross multiply
770,162.67x = 1,062,470.89 × 498,319.18 - Step 4: Simplify right side
770,162.67x = 529,449,622,678.67 - Step 5: Solve for x
x = 529,449,622,678.67/770,162.67 - Step 6: Final answer
x = 687,451.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.